Office supplies; artists and teachers materials – Calendar or calendar holder – Perpetual
Patent
1977-04-08
1980-01-01
Stearman, Joel
Office supplies; artists and teachers materials
Calendar or calendar holder
Perpetual
D1903
Patent
active
D02538318
REFERENCES:
patent: 1396113 (1921-11-01), Holm
patent: 1422235 (1922-07-01), Stout
patent: 2392908 (1946-01-01), Emerson et al.
patent: 2537693 (1951-01-01), Nono
patent: 2919511 (1960-01-01), Thibodeau
Fletcher Robert W.
Stearman Joel
Word George P.
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